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Diffstat (limited to '')
-rw-r--r-- | bgpd/bgp_bfd.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/bgpd/bgp_bfd.h b/bgpd/bgp_bfd.h new file mode 100644 index 0000000..9dca48a --- /dev/null +++ b/bgpd/bgp_bfd.h @@ -0,0 +1,80 @@ +/** + * bgp_bfd.h: BGP BFD definitions and structures + * + * @copyright Copyright (C) 2015 Cumulus Networks, Inc. + * + * This file is part of GNU Zebra. + * + * GNU Zebra is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * GNU Zebra is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; see the file COPYING; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef _QUAGGA_BGP_BFD_H +#define _QUAGGA_BGP_BFD_H + +#define PEER_IS_MULTIHOP(peer) \ + ((((peer)->sort == BGP_PEER_IBGP) && !(peer)->shared_network) \ + || is_ebgp_multihop_configured((peer))) + +extern void bgp_bfd_init(struct thread_master *tm); + +extern void bgp_bfd_peer_config_write(struct vty *vty, const struct peer *peer, + const char *addr); + +/** + * Show BFD information helper. + * + * \param vty the VTY pointer. + * \param peer the BGP configuration pointer. + * \param use_json unused. + * \param json_neigh JSON object when called as JSON command. + */ +extern void bgp_bfd_show_info(struct vty *vty, const struct peer *peer, + json_object *json_neigh); + +/** + * When called on a group it applies configuration to all peers in that group, + * otherwise just applies the configuration to a single peer. + * + * This function should be called when configuration changes either on group + * or peer. + * + * \param p the BGP peer pointer. + * \param pg the BGP group to copy configuration from (it is usually + * `p->group` exception when copying new group configuration + * see `peer_group2peer_config_copy` function case). + */ +extern void bgp_peer_config_apply(struct peer *p, struct peer_group *pg); + +/** + * Allocates and configure BFD session for peer. If it is already configured, + * then it does nothing. + * + * Always call `bgp_peer_config_apply` afterwards if you need the changes + * immediately applied. + */ +extern void bgp_peer_configure_bfd(struct peer *p, bool manual); + +/** + * Removes BFD configuration from either peer or peer group. + */ +extern void bgp_peer_remove_bfd_config(struct peer *p); + +/** + * Special function to handle the case of changing source address. This + * happens when the peer/group is configured with `neigbor X update-source Y`. + */ +extern void bgp_peer_bfd_update_source(struct peer *p); + +#endif /* _QUAGGA_BGP_BFD_H */ |